A

• Abattoir
• Abner
• Ace Android
• Ace of Diamonds
• Ace of Spades
• Actuary
• Akh-ton
• Alberto Falcone
• Alfred Stryker
• Alicia Hunt
• Alpha (DC)
• Amanda Waller
• Amygdala
• Anarky
• Chief Angel Rojas
• Anti-Monitor
• Antonio Diego
• Archer (DC)
• Arkham Asylum (DC)
• Arkham City
• Arnold John Flass
• Arnold Stromwell
• Arthur Reeves
• Atomic Man

B

• Baby Doll
• Baby Face
• Bad Samaritan
• Bane (Batman & Robin)
• Bane (DC)
• Bane (The Dark Knight Rises)
• Bank Manager
• Bat-Bane
• Bat-Cop
• Batman (Frank Miller)
• Batman (Justice Lord)
• Batman Clone
• Batzarro
• Big Top
• Black Adam
• Black Hand
• Black Mask
• Black Spider
• Black Widow (DC)
• Blackgate Peninentiary
• Blockbuster I
• Blockbuster II
• Bob the goon
• Bookworm (DC)
• Boss Biggis
• The Boss (Batman)
• Bouncer
• Boxy Bennett
• Brand
• Brimstone
• Brother Eye
• Brutale
• Bud & Lou
• Bug-Eyed Bandit
• Bullwhip
• Buzz Bronski

C

• Calculator
• Calendar Girl
• Calendar Man
• Cameron Kaiser
• Camille Baden-Smythe
• Candice
• Captain Clown

C cont.

• Captain Stingaree
• Carl Grissom
• Carlton Duquesne
• Carmine Falcone
• Carpenter (Batman)
• Cassandra Cain
• Catgirl
• Catwoman
• Cavalier
• Chameleon (The New Adventures of Batman)
• Chancellor Deraegis
• Charlie Caligula
• Chronos
• Chuckie Sol
• Chucko
• Circus of Strange
• Clayface
• Clayface (Arkhamverse)
• Clock King
• Club of Villains
• Cluemaster
• Composite Superman
• Condiment King
• Connor
• Copperhead (DC)
• Cornelius Stirk
• Cosmo Krank
• Count Vertigo
• Court of Owls
• Crazy Quilt
• Creature King
• Crime Doctor
• Crocker
• Cult of the Cat
• Curtis Base
• Cynthia

D

• D.A.V.E.
• Daniel Mockridge
• Dark Kahn
• David Cain
• David Wheeler
• Deacon Blackfire
• Deadshot
• Deathstroke
• Decoy of Ra's al Ghul
• Dee Dee Twins
• Demetechnics
• Dick Grayson (Frank Miller)
• Disruptor
• Doctor Death
• Doctor Dedalus
• Doctor Double X
• Doctor Phosphorus
• Doctor Polaris
• Dollmaker (DC)
• Donner & Blitzen
• Dottie
• Dr. Daedalus
• Dracula (Batman)
• Driller
• Dyna-Mite

E

• Eagleton
• Eddie G.
• Egghead (DC)
• El Sombrero
• Electro (The New Adventures of Batman)
• Electrocutioner

E cont.

• Emile Dorian
• Emmylou Brown
• Emperor Joker
• Enrique El Gancho
• Equinox (DC)
• Everywhere Man

F

• Faceless Hunters
• Fake Harley
• Falcone
• Falseface
• Farmer Brown
• Fear Gas
• Ferris Boyle
• Ferris Dolan
• Firebug
• Firefly (DC)
• Fisherman
• Flamingo
• Floronic Man
• Francis Gray
• Frank Boles
• Frankie
• Freon
• Fright
• Fun Haus

G

• Gaggy
• Gambol
• Garth
• Gas Gang
• General Norman
• Germs
• Gil Mason
• Golum Gang Leader
• Gorilla "Boss" of Gotham
• Gorilla Grodd
• Grant Walker
• Great White Shark
• Gregory Belson
• Guru

H

• H.A.R.D.A.C.
• Harley Quinn
• Harley Quinn (Batman: The Brave and the Bold)
• Harvey's Thug
• Hellgrammite
• Hellhound (DC)
• Henshaw
• Hugo Strange
• Human Fireworks
• Humpty Dumpty
• Hush
• Hyena (DC)
• Hyper-Adapter

I

• Injustice Syndicate
• Irving

J

• Jack of Diamonds
• Jack of Spades
• Jackanapes
• James Gordon, Jr.
• Jane Doe
• Jarvis Kord
• Jason Todd (Red Hood)
• Jay (BTAS)
• Jay, Raven and Lark
• Jazzman
• Jest
• Joe Chill